Which statements accurately describe how renaissance ideas spread beyond italy?

Which statements accurately describe how renaissance ideas spread beyond italy?
choose all answers that are correct.
a. italian merchants traveled all over europe carrying printed classical greek and latin texts, as well as italian art.
b. italian armies marching into foreign lands brought their scholarship and art with them.
c. leonardo da vinci moved to the french court and took with him renaissance ideas, as well as styles of art and architecture.
d. wealthy italian families opened schools for the fine arts in countries north of the alps.